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import parse from './parse.js';
import { unsafeStringify } from './stringify.js';
export function stringToBytes(str) {
str = unescape(encodeURIComponent(str));
const bytes = new Uint8Array(str.length);
for (let i = 0; i < str.length; ++i) {
bytes[i] = str.charCodeAt(i);
}
return bytes;
}
export const DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
export const URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
export default function v35(version, hash, value, namespace, buf, offset) {
const valueBytes = typeof value === 'string' ? stringToBytes(value) : value;
const namespaceBytes = typeof namespace === 'string' ? parse(namespace) : namespace;
if (typeof namespace === 'string') {
namespace = parse(namespace);
}
if (namespace?.length !== 16) {
throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
}
let bytes = new Uint8Array(16 + valueBytes.length);
bytes.set(namespaceBytes);
bytes.set(valueBytes, namespaceBytes.length);
bytes = hash(bytes);
bytes[6] = (bytes[6] & 0x0f) | version;
bytes[8] = (bytes[8] & 0x3f) | 0x80;
if (buf) {
offset = offset || 0;
for (let i = 0; i < 16; ++i) {
buf[offset + i] = bytes[i];
}
return buf;
}
return unsafeStringify(bytes);
}
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